TK 1855 then QR 3678 at Barcelona
Istanbul → Barcelona → Palermo
Timetable, Barcelona time
17:15TK 1855 from Istanbul at the gate
15:40QR 3678 to Palermo leaves the gate
22 h 25 apart on the timetable, overnight
QR 3678 leaves 22 h 25 after TK 1855 arrives on the timetable: more than half a day, so not a connection we count.